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The role of Sensor Module is transmitting a low power Microwave from
transmitting antenna and receiving the microwave energy reflected by
objects to receiving antenna.

If the movement of the object is detected by the microwave motion
sensor, the reflected microwave frequency is shifted away from the
transmit frequency to receiving antenna.

The reflected and shifted microwave frequency is mixed with the
transmit microwave frequency and results a low frequency voltage at the
output of the sensor.

The Microwave Motion Sensor Module is designed with Dielectric Resonator Oscillator (DRO).

The product is widely applied in the locations that require the
auto-induction control similar to the automatic gate control switch,
security system, automatic recording control system of ATM cash
dispenser and automatic signal machine on the train. This is a kind of
standard Doppler radar detector with 10.525GHz microwave. Comparing to
other detecting methods, this one is characterized in the following
advantages:
1. Not-contact detection
2. Free from the affects of the temperature, humidity, noise, airflow,
dust and light ray, and suitable with the extreme environments
3. Strong ability of radio-frequency interference resistance
4. Output power is only 5mW, no harming to the human body
5. Long range: detection coverage is over 20 meters

Note 1: The radiated emissions of HB100 is designed to meet the requirements of Federal Communications Commission (FCC) rules, Part 15, Section 15.245 (use within a building or to open building door) Note 2: The Received Signal Strength (RSS) is measured at the total 2 ways path loss of 93dB. Note 3: The noise voltages are measured from 10 Hz to 100 Hz at the output port, inside an Anechoic chamber. Note 4: Pulse operation. Note 5: The design, manufacturing process and specifications of this device are subjected to change without prior notice. Note 6: CAUTION: ELECTROSTATIC SENSITIVE DEVICE. Observe precautions for handling and storage.